Provided are a fuel injection valve; a fuel supply passage that supplies fuel to the fuel injection valve; a fuel return passage that returns excess fuel of the fuel injection valve; a leaked fuel return passage one end of which is coupled to a connection ...

Provided is a fuel supply device that is able to achieve downsizing of a fuel pump in a configuration in which part of a fuel to be sent outside by driving of the fuel pump is able to be returned to an accommodation portion not provided with the fuel pump....

The invention relates to an unheated fuel-line assembly, in particular for use in a motor vehicle, where an inner tube is provided as a fuel line and an outer tube is provided that surrounds the inner tube with a spacing a. The inner surface of the outer t...

The line (1) has an inner steel tube (2) accommodated in an outer steel tube (3), where the inner steel tube is made of corrosion resistant steel, and the outer steel tube is made of an outer steel tube alloy. Wall thickness of the inner steel tube is less...

A fuel system valve assembly may include a housing (38), a spring (40), and a body (44). The housing (38) may have a fuel passage defined in part or more by a fuel passage wall. The fuel passage wall may have a seat (60) and a cylindrical section (58). The...

To provide a steel fuel conveying pipe which has high resistance to corrosive fuel and maintains reliability without damaging a direct-injection engine, and connects a high-pressure pump and a direct-injection rail with each other in a gasoline direct-inje...

The method involves connecting a diagnosis test device (4) with a control device (8) of a motor car (2) over a single or multi-pole data line (10). The control device is controlled by the diagnosis test device based on a fuel tank filling signal for drivin...

According to the present device, tapping screws 4 are fitted from below through through holes formed in a pump module mounting portion 3 which comprises a cushion 31 and an outer yoke 32, and are brought into threaded engagement with a convex portion 22 of...